Type-writing machine.



E. E. BARNEY.

TYPE WRITING MACHINE.

mm m w m M w Mm Na. T M i. A m E. N m m m 2 a M E 5 w n m 9 W% E. E. BARNEY. TYPE WRITING MACHINE. APPLIOA'IION FILED MAY 13; 1908.

Patented Oct, 27, 1908. 2 SHEETS-SHEET 2.

WITNESSES INVENTEIFh UNITED STATES PATENT orrron.

EDWIN E. EARNEY, OF SYRACUSE, NEW YORK, ASSIGNOR TO'U NION TYPEWRITER COMPANY,

OF JERSEY CITY, ,N'EW JERSEY, A CORPORATION OF NEW JERSEY.

' T'YPE-WJTTING Madame.

No. 902,519. Y

"Specification of Letters 'iatnt.

' Patented Oct. 2'7, 1908.

Original application filed June-11, 1900, Serial N0. 19,889. Divided and this application filed Ma 13, 1908.

' Serial No- 432,556.

To all whom it may concern:

Be it known that I, EDWIN BARNEY, citizen of the United States, and resident of specification.

My invention relates to typewriting machines and more particularly to caseshifting mechanism, and the object of saidinvention s to provide a simple-and efficient mechanism of the character specified.

' To the above and other ends which will hereinafter appear, my. lnvention consists in the features of construction, arrangements of v parts and combinations of devices to be hereinafter described andparticularly pointed out in the appended claims.

In the accompanying drawings, wherein like reference characters indicate corresponding parts in the various views, Figure -1 is a detail side elevation of sufiicient'n-umber of parts of one form of typewrit-ing machine to illustrate my invention in its embodiment therein; the parts being shown in the normal position in this view. Fig. 2 is a like view of the same showing the disposition of the parts when they have been shifted for upper case writing.

The present case i a division of my application Serial No. 19,889, filed June 11th, 1900.

hile the case shifting mechanism of my invention may be applied to various styles of t'ypewriting machines, I have shown the invention embodied in the present instance in a front-strike typewriting machine of the character disclosed in my Patent No. 594,978, dated December 7th, 1897, wherein both the platen and printing instrumentalities are shifted towards and'a'way from each other 'to change the case position'of the parts for upper and lower case writing.

The frame 1 of the machine is with upright standards 2 and '3 an a trans verse bar t. Bell crank key levers 5 are pivoted to the transverse bar 4 at diflerent elevations, as indicated by the positions of the pivots '6, the upper end of each key lever being connectedtoa link 7 which in is pivotally connected to the heel of the associated type bar 8. The type bars are s'eg-, mentally arranged and are each pivoted at .9 to a hanger secured to a typeibar segment rovidedplaten 11 is provided with a platen shaft 12' which turns 1I1 bearings in a suitable platen frame or carrier which in the present instance comprises arms or plates 13 situated at each end of the platen and rigidly connected together by suitable tie rods. The platen frame is pivotally connected by the platen shaft with 'rearwardly extending parallel links ora-rms 15 which in turn are pivoted at 16 to a truck section 17 suitably guided and supported for movement from side to side of the machine; a uide rod 18 constituting one-of the supports or the truck. The lower forwardly extending ends of the arms or end plates 13 are united bya cross bar 20 which carries a grooved roller or grooved rollers 21 which bear upon a shift rail or rod 22. This shift rod 22 is secured to arms 23 secured to a rock shaft 24 and extending therefrom at an inclination downward and toward the "rear. mounted in suitable bearings in the standards 3 and provided with upwardly and forwardly directed extensions or arms 25 pivoted at- 26 to the upwardly extending projections 27 carried by the type bar segment 10 so. that diverging arms 23 and 25 respectively carry the platen and type bar segment. One of the lower arms 23 is extended to form a stop member 28 movable between shoulders or stops that preferably consist of adjustable screws 29 and 30 which are-received in threaded openings in lugs 31 forming .partof' a fixed piece which is secured to the main frame. -1 of the machine. These screw stops 29 and 30 limit the move-- ment of the member 28' and the parts controlled thereby. The arm 23 which carries the extension 128 is connected through a toggle or knuckle joint to the shift key, said toggle comprising a toggle link 32 pivoted at 33 to the arm 28 and the opposite end of this link is pivoted at 34 to a companion toggle link 35 and "to an upwardly and forward-1y extending actuating link 36. The lower end of the toggle link 35 is pivoted at 37 to a fixed bracket 38 so that the toggle joint comprising the two links 32 and 35 is connected at-one end ''to one of the 'arms'23 and at the other end to a fixed point. .The

The shaft 24is.

forward end of the actuating link =36 is pivoted at 39 tofia-nppWa-rdly directed arm with a shift key 41, said key lever bein pivoted to one of the pivot rods 6 carrie by the transverse bar 4 of the frame. A contractile spring 42 is connected at one end 43-to the actuating link 36 and is connected at its opposite end to .a pin 44 projecting from one of the upright standards 3. Fig. 1 shows the normal disposition of the parts.

When the relation of theparts is to be moving forwardly until the member 28 con- I tacts with the lower screw stop 30. This movement of the arms 23 moves the shift rail in'an inclined path downwardly and l forwardly around the rock shaft'24 as a center, thereby shifting the platen down wardly and forwardlyon the links 15 around the pivots 16. At the same time the arms 25 are moved upwardly and rearwardly carrying the type bar segment 10 upwardly and rear-wardly towards'the platen.

, l have provided means for. retaining the parts in their shifted positions, such means comprising a locking lever or member pivoted at 46 to a fixed portion of the machine and having a fingerpiece or key 47 by whichthe lever may be actuated. This lever also has-a depending arm 48 with a locking notch v or recess 49 formed therein. A locking pin 50 projects laterally from the arm 40 of the shift key lever 41 into the path of the depending arm 48 of the locking lever. The relation of the parts is such that an upward movement of the locking lever 45 around its pivot iself'ective to bring the depending arm 48 thereof into engagement with the locking pin 50 and to actuate the shifting lever 41 and the case shifting mechanism controlled thereby. As the locking lever 45 and shift key lever 41 move from their normal positions around their respective pivots 46 and G, the portions 49 and 50 move in arcs which intersect with each other so that at the completion of the shifting movement the portions 49 and 50- may be brought into engagement and the levers 41 and 45 are interlocked to lock the parts in their shifted positions, it being understood that the pin 50 bears against a shoulder formed by the depression or recess 49 in the locking lever to prevent the parts from moving back to normal position In order to release the parts so that they may be restored to the normal positions,-it is merely necessar to depress the locking lever 45 which e ects a disengagement of the locking members 49 and 50 from each other and the seat is ing connection comprisin the'pivotally con neoted links 32 and 35 of the shift mechanism, which links constitute toggle" links arranged end to end and that said links in the normal position of the parts shown in Fig. 1 are approximately in a straight line position, and that the toggle is flexed or brokerffrom this position to shift the shiftable nrembcrs so that the links constitute what may be termed a reverse toggle, and that the spring 42 acts to counterbalance the weight of the platen or the shifted part and to restore the shifting mechanism to normal position. By this construction I am enabled to provide simple and efficient case shifting mechanism in which the initial resistance opposed to the actuation of the shift key or keys is reduced to a minimum.

The shift key 41 is in the nature of-a temporary shift key, the'parts resuming their normal positions when pressure on said key is released, whereas, the shift key 4'? is in the nature of a permanent shift key which may be actuated to shift the parts and maintainv them in the shifted position until the key unlocked or released.

Variouschanges may be made'without departing from the spirit and scope of the invention.

- lVhat I claim as new and desire to secure by LettersPatent, is l. A 'typewriting machine comprising a quadrant and type-bars mounted thereon, an impression platen, a lever for simultaneously shifting the quadrant and platen with relation to each other, and an independently movable locking lever, said levers having shoulders. movable in. intersecting arcs and adapted to interlock at the point of intersep-- tion for holding the quadrant and platen in their adjusted positions.-

2. A typewriting machine comprising a quadrant and type-bars mounted thereon, a carriage, an impression platen mounted on the carriage, a lever for shifting the quadrant and platen with relation to each other, and an independently movable locking lever for engaging and rocking the former lever and holding the quadrant and platen in their adjusted positions.

3. In a typewriting machine, the combination of a quadrant and type-bars mounted thereon, a carriage having an independently movable frame, a platen supported by the frame, a lever for simultaneously shifting the quadrant andnframe in opposite directions, and an independently movable 1 locking lever for engaging and rocking the former lever, said levers having shoulders adapted to interlock to hold the'quadrant and frame in their shifted positions, I

4. In a typewriting machine, thecombination of a. quadrant and type-bars mounted thereon, an impression platen, and means provided with a toggle-joint for simultaneously shifting the quadrant and platen with relation to each other.

5. In a typewriting machine, the combina-- tion of a quadrant and type-bars mounted thereon, a movable frame carrying an impression platen and means provided with atoggle-joint-for shifting the quadrant and frame in opposite directions. 7

6. In a typewriting machine, the, combination of a quadrant and type-bars mounted thereon, a carriage, an impression platen mounted on the carriage, and means provided with a toggle-joint for shifting the quadrant and platen in opposite directions.

7. 'In a typewriting machine, the combination of a quadrant and type-bars mounted thereon, an impression platen, means pro vided with a toggle-joint for shifting the quadrant and platen, and a locking member for engaging said means and holding the same in one of its adjusted positions.

8. In a typewriting machine, the combination of a quadrant and type-bars mounted thereon, a carriage having an independently movable frame, an impression platen mounted on the frame, means providedwith.

a togglejoint for shifting the quadrant and frame, and a locking member for engaging said means and holding the quadrant and frame in their shifted positions.

9. In a typewriting machine, the combination with a quadrant and type-bars mounted thereon, of a carriagehaving an independently movable frame, an impression platen mounted on the frame, means provided with a toggle-joint for shifting the quadrant and frame in opposite directions, and adjustable stops for limiting the vmovement of said" ing the same in one of its adjusted positions.

11. In a typewriting machine, the combi-' nation with a quadrant and type-bars mounted thereon, a carriage having an independently movable frame, an impression platen supported by the frame, and means for shifting the quadrant and platen in opposite directions, of adjustable stops for limiting the movement of said means, and a locking member for engaging said means and holding the quadrant and frame in their shifted positions.

12. A typewriting machine comprising a quadrant and type-bars mounted thereon, an impression platen, a rock shaft provided impression platen,-a rock-shaft having diwith diverging arms connected respectively to the quadrant and to the platen, adjustable stop-shoulders for engaging one of the arms for limiting their rocking movement, a toggle-joint connected to one of the arms, and a shift-lever connected to said toggle-- joint.-

.13. In a typewriting machine, the combination with a quadrant and type-bars mounted thereon, an impression platen and its carrier, of a rock-shaft provided with diverging arms connected to the quadrant and platen carrier, adjustable stops for engaging one of the arms, and means provided with a toggle-joint connected to one of the arms for rocking said arms and shiftingthe quadrant and platen-carrier.

.1 1. A typewriting machine comprising a quadrant and type-bars mounted thereon, an

verging arms for supporting the quadrant and platen, ad ustable stop-shoulders for engaging one of said arms, a shift-lever con- "nected to one of the arms'for actuating the same, and a locking member movable into thesame in one of its adjusted positions.

15. In a typewriting machine, the combi nation with a quadrant and type-bars mounted thereon, an impression platen and its carrier, of a rock-shaft having upwardly and downwardly extending arms for supporting the quadrant and carrier, adjustable shoulders for engaging the lower arm, a shift-lever connected to one of the'arms for shifting the quadrant and carrier, and a to the quadrant and platen for shifting the same with relation to each other, said shiftlever being provided with an engaging shoulder, and av lock-lever provided with a shoulder, said shoulders being movable in intersecting arcs and. adapted to interlock with each other at substantially the point of intersection of said arcs.

17. In a typewriting machine, the combination with a quadrant and type-barsmounted thereon, a carriage, an impression platen audits carrier, of a shift-lever connected to the quadrant and carrier for shift- 12o ing the same in opposite directions, the shiftlever being provided with a shoulder, and a lock-lever provided with an engaging shoulder, said shoulders being movable in intersecting arcs and adapted to interlock 12.5 with each other at substantially the point of intersection of said arcs.

18. A typewriting machine comprising a quadrant and type-bars mounted thereon, an impression platen, a rock-shaft provided with diverging arms for supporting the quadrant and platen, adjustable stop-shoul-.

ders engaging opposite races of one of said arms, a toggle-joint having one end fixed and. its. other end connected to one of the arms of the rocleshaft, a shift-lever connected to the knucklelof the toggle-joint and rovided with an engaging shoulder, and a "t; ock-lever provided with an engaging shoulder, said engaging shoulders being movable in intersecting arcs and adapted ,to

interlock'with each otherat substantially the point of intersection.

.1'9JA typewriting machine comprising a quadrant and type-barsmounted thereon,la carriage, an impression platen and its carrier mounted on the carriage, a rock-shaft having an upwardly extending arm connected to'the quadrant and a downwardly extending arm provided with atrack for supportingthe platen carrier, a shift-lever connected to the lower arm and provided with a shoulder, adjustable stops-for limiting the movement of the rock-arms, and a lock-lever having an engaging shoulder, said shoulders being movable in intersecting arcs and adapt'edto interlock at substantially the point of intersection.

20. In a typewriting machine, the combination of'a rock shaft having two arms, a.

track on one of the arms, a rocking carriage movable along the track and rocking with the arm to which the track is'secured, a type bar support connected to the other arm and actuated thereby, a key lever connected to the arm to which the track is secured for rocking the arms and thereby moving the type-bar support and platen-toward and from each other, and a movable hand actuated'device cooperating with said key lever for moving it andfor automatically locking the same in one of its adjusted positions.

21. In a typewriting machine, the combination 01": opposed stop shoulders, two rock arms having a common axis and extended. in opposite directions from said axis, one of the arms extending between the stop shoulders, a track secured to said one of the arms,

.a carriage riding on the track and rocking therewith, a platen on the carriage, a typebar support pivoted to the other arm and actuated thereby, and a key lever connected to the arm to which the track is secured for rocking both arms andmoving the type bar support and platen towards and from eachother.

22.111 a typewriting machine, the combination of a platen, printing instrumentalities, and means for .efiecting a relative shift to thereby efl'ect the shifting of said member.

24. The combination with the shifting member of a writing machine, of a flexing connection comprising, two pivotally connected links arranged end to end and means for flexing the links as a reverse toggle to effect a shifting of sa1d member.

25. The combination with the shifting member of a Writing machine, of a flexing connection comprising two pivotally connected links arranged end to end and means for flexing the links as a reverse toggle to efi'ect a shifting of said member, and a spring for counterbalancing the Weight of the shifting member.

Signed at Syracuse in the countyof Unondaga and State of New York this 7th day of May A. D. 1908.

' EDWIN E. BARNEY.

Witnesses:

FRANK VERMILYEA,

G. B. BRAND. 

